package ali;

import java.util.HashMap;

/**
 * @Author: DengJia
 * @Date: 2021/9/14 17:10
 * @Description:
 */

public class Main {
    public static void main(String[] args) {
        HashMap<String, Object> map = new HashMap<>(16);
        if (map.isEmpty()) {
            System.out.println("map.isEmpty()");
        }
        if (map.size() == 0) {
            System.out.println("map.size() == 0");

        }
    }
}
